Malicious PDF — malware analysis report

Static analysis result for SHA-256 48d5266b6c84606c…

MALICIOUS

PDF

13.6 KB Created: 2019-05-02 17:18:59 +01:00 Authoring application: mPDF 5.7
MD5: 72564a1ec0f840ef5951a535a1784ffa SHA-1: 3398adf6fbe12c8521f23b313385703d6f425e29 SHA-256: 48d5266b6c84606c419e8327ad52b4d3732323ca5326fb57cf115c2639e4d17f
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves are marked as benign, the sheer volume and the nature of the heuristic suggest a malicious intent, likely for SEO manipulation or to distribute further payloads. No scripts were extracted from this sample, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://loaminoo.linkpc.net/1097094097099090/Yours-for-Christmas-Fool-s-Gold-15-5-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/1097098092/Marry-Me-at-Christmas-Fool-s-Gold-19-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/1092097094095/The-Only-Way-Out-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/4093091098097096/Wedding-Ring-by-Emilie-Richards.pdf
    • http://loaminoo.linkpc.net/1093095098091091/Someone-Like-You-Los-Lobos-1-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/3093093092094095/A-Little-Bit-Pregnant-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/3099095096097092/The-Millionaire-Bachelor-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/5090095098098092/When-We-Found-Home-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/1090098099096091098/Palast-der-Sinnlichkeit-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/1093092094093096/Delicious-Buchanans-1-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/8098095093/Why-Not-Tonight-Happily-Inc-3-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/2091097092097099/Shelter-in-a-Soldier-s-Arms-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/4090097090091098/The-Ladies-Man-amp-Some-Kind-of-Wonderful-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/6098092099092091/Pour-Sauver-un-Enfant-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/5090099095/A-Million-Little-Things-Mischief-Bay-3-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/6099092098/A-Very-Merry-Princess-Happily-Inc-2-5-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/7097090096095092/L-amour-sous-contrat-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/1093096090091095/Tender-Loving-Care-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/1093096091093093/Her-Last-First-Date-Positively-Pregnant-3-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/2098092094095098/Thrill-Me-Fool-s-Gold-18-by-Susan-Mallery.pdf
    • http://loaminoo.linkpc.net/4090097090091098/The-Ladies-Man-amp-Some-Kind-of-Wond

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